電(dian)(dian)接(jie)(jie)點(dian)(dian)(dian)雙(shuang)(shuang)金(jin)屬溫(wen)(wen)(wen)度(du)計是利用(yong)(yong)溫(wen)(wen)(wen)度(du)變化時帶(dai)動觸點(dian)(dian)(dian)變化,當(dang)其與上(shang)下限觸點(dian)(dian)(dian)接(jie)(jie)觸或(huo)斷(duan)開的(de)同(tong)時,使電(dian)(dian)路(lu)中的(de)繼(ji)電(dian)(dian)器動作(zuo),從而自(zi)動控(kong)(kong)制及報警。主要應(ying)(ying)用(yong)(yong)于(yu)生(sheng)產(chan)現(xian)場對(dui)(dui)(dui)溫(wen)(wen)(wen)度(du)自(zi)動控(kong)(kong)制和(he)(he)(he)(he)報警。 產(chan)品應(ying)(ying)用(yong)(yong): 電(dian)(dian)接(jie)(jie)點(dian)(dian)(dian)雙(shuang)(shuang)金(jin)屬溫(wen)(wen)(wen)度(du)計應(ying)(ying)用(yong)(yong)于(yu)生(sheng)產(chan)現(xian)場對(dui)(dui)(dui)溫(wen)(wen)(wen)度(du)需(xu)自(zi)動控(kong)(kong)制和(he)(he)(he)(he)報警。直接(jie)(jie)測量各(ge)種(zhong)生(sheng)產(chan)過程中-80~500℃范圍(wei)內體、蒸汽和(he)(he)(he)(he)氣體介質(zhi)溫(wen)(wen)(wen)度(du)。 特點(dian)(dian)(dian): · 現(xian)場顯示溫(wen)(wen)(wen)度(du),直觀方便(bian); · 具有自(zi)動切斷(duan)電(dian)(dian)源和(he)(he)(he)(he)報警功能; · 安全可靠,使用(yong)(yong)壽(shou)命長; · 多種(zhong)結構形式,可滿足不同(tong)要求。 技術參數 · 產(chan)品執(zhi)行標(biao)準:JB/T8803-1998 GB3836-83 · 標(biao)度(du)盤公稱直徑:100 · 精度(du)等(deng)級(ji):(1.0),1.5 · 熱響(xiang)應(ying)(ying)時間:≤40S · 防護等(deng)級(ji):IP55 · 正常工作(zuo)大氣條件:溫(wen)(wen)(wen)度(du)-25~+55℃,相對(dui)(dui)(dui)濕度(du)≤85% · 設(she)(she)定(ding)點(dian)(dian)(dian)誤差(cha):設(she)(she)定(ding)點(dian)(dian)(dian)誤差(cha)應(ying)(ying)不過基(ji)本(ben)(ben)誤差(cha)限的(de)1.5倍。 · 切換(huan)(huan)(huan)差(cha):切換(huan)(huan)(huan)差(cha)應(ying)(ying)不過基(ji)本(ben)(ben)誤差(cha)限的(de)1.5倍。 · 切換(huan)(huan)(huan)重復性:切換(huan)(huan)(huan)重復性極限范圍(wei)不大于(yu)基(ji)本(ben)(ben)誤差(cha)限juedui值的(de)1/2。 注意事項(xiang) 1、使用(yong)(yong)范圍(wei):-50-50℃;-20-80℃;0-50℃;0-100℃;0-120℃;0-150℃℃;0-200℃ 0-300℃;0-400;0-500℃特殊(shu)可定(ding)做。 2、安裝(zhuang)螺牙(ya)(活動牙(ya)和(he)(he)(he)(he)固定(ding)牙(ya)均可定(ding)做)27×2mm;3/4;1/2;1/43:適用(yong)(yong)環境溫(wen)(wen)(wen)度(du)-40~+85℃, 相對(dui)(dui)(dui)濕度(du)5~。表盤直徑為:100mm,萬(wan)向(xiang)安裝(zhuang)型.四、使用(yong)(yong)和(he)(he)(he)(he)維護 3、雙(shuang)(shuang)金(jin)屬溫(wen)(wen)(wen)度(du)計在保(bao)管(guan)、使用(yong)(yong)和(he)(he)(he)(he)安裝(zhuang)中,應(ying)(ying)避免(mian)碰撞支(zhi)承(cheng)管(guan),切勿使支(zhi)承(cheng)管(guan)彎曲變形及將表殼扳手(shou)使用(yong)(yong)。 4、各(ge)類(lei)雙(shuang)(shuang)金(jin)屬溫(wen)(wen)(wen)度(du)計不宜用(yong)(yong)于(yu)測量敞開容器內介質(zhi)溫(wen)(wen)(wen)度(du),帶(dai)電(dian)(dian)接(jie)(jie)點(dian)(dian)(dian)溫(wen)(wen)(wen)度(du)計,不允許在強烈震動下工作(zuo),以免(mian)影響(xiang)接(jie)(jie)點(dian)(dian)(dian)可靠性。 5、在壓力大于(yu)1.5MPa時,應(ying)(ying)選用(yong)(yong)JX系列保(bao)護管(guan)。
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